OK I looked and here is what I have:
I am pretty sure these will work for your purpose.
The 105 on top is a UG/HG body and the black hub shows seven cog marks.
These have been laying on the bench top as well (two seven speed cog sets).
You may have all of this for the cost of shipping by USPS maybe $10-$12. Smiles, MH. PM me with shipping info.